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I am Sarah. I have three good friends. They are Amy, John and Tom. Amy likes winter, because her birthday is in February. She likes music. She is listening to music now. John’s birthday is on April Fool’s Day. He likes sports. Look! He is playing basketball. Tom’s birthday is in October. So he likes autumn, and he can go for a picnic in autumn. I like spring because spring is very beautiful. What am I doing? I am reading a book now.
1．Sarah has three good friends.2．Amy likes music, and her birthday is in April.
3．John is playing baseball now.
4．Tom can go for a picnic in fall.
5．Sarah likes spring because she thinks spring is beautiful.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
